{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895377,-0.445309,0.000000,0.000000,0.288098,-0.579276,0.762521,0.000000,-0.338601,0.680820,0.649488,0.000000,-2162696.360079,4348505.738156,4120611.726768,1],    "boundingVolume": {    "region": [2.032256,0.706867,2.032375,0.706953,0.000000,8.716288]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/6_1812247.b3dm"}}}